2312231000 has 64 divisors (see below), whose sum is σ = 5512834080. Its totient is φ = 907420800.

The previous prime is 2312230993. The next prime is 2312231003. The reversal of 2312231000 is 1322132.

It is a happy number.

It is a super-2 number, since 2×2312231000² = 10692824394722000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312231003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31187 + ... + 74813.

Almost surely, 2^2312231000 is an apocalyptic number.

2312231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2756417040).

2312231000 is an abundant number, since it is smaller than the sum of its proper divisors (3200603080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2312231000 is a wasteful number, since it uses less digits than its factorization.

2312231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43701 (or 43687 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2312231000 is about 48085.6631440183. The cubic root of 2312231000 is about 1322.3418406899.

Adding to 2312231000 its reverse (1322132), we get a palindrome (2313553132).

The spelling of 2312231000 in words is "two billion, three hundred twelve million, two hundred thirty-one thousand".